.NET PDF Digital Signature SDK

Best .NET PDF Digital Signature SDK

XsPDF .NET PDF Digital Signature SDK provides advanced PDF signing features that can be used in various .NET applications development. It helps you to protect PDF document from editing and tampering. All mature features are compiled into a single library dll and this .NET library dll can be used independently for Visual Studio C# and VB.NET programming projects.

Features

Support PKCS#12 PDF digital signature standard, including pfx, p12, and more

Able to create and add text, image, graphic, and invisible signatures to PDF file

Specify any location on PDF document page and insert a digital signature on it

Allow to add signatures multiple times on the same PDF document

Download

Adding digital signature to PDF is one of the most effective ways to protect and authenticate PDF file from tampering. XsPDF .NET PDF Digital Signature SDK can help you achieve this. You may now directly download the free trial below to evaluate. In the downloaded file, a demo project is offered for your reference.